diff options
Diffstat (limited to 'llvm/lib/Target/ARM/ARMInstrThumb2.td')
| -rw-r--r-- | llvm/lib/Target/ARM/ARMInstrThumb2.td | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/llvm/lib/Target/ARM/ARMInstrThumb2.td b/llvm/lib/Target/ARM/ARMInstrThumb2.td index 95195e85c4e..39525a3e28f 100644 --- a/llvm/lib/Target/ARM/ARMInstrThumb2.td +++ b/llvm/lib/Target/ARM/ARMInstrThumb2.td @@ -3231,6 +3231,14 @@ def t2TSB : T2I<(outs), (ins tsb_opt:$opt), NoItinerary, } } +// Armv8.5-A speculation barrier +def t2SB : Thumb2XI<(outs), (ins), AddrModeNone, 4, NoItinerary, "sb", "", []>, + Requires<[IsThumb2, HasSpecCtrl]>, Sched<[]> { + let Inst{31-0} = 0xf3bf8f70; + let Unpredictable = 0x000f2f0f; + let hasSideEffects = 1; +} + class T2I_ldrex<bits<4> opcod, dag oops, dag iops, AddrMode am, int sz, InstrItinClass itin, string opc, string asm, string cstr, list<dag> pattern, bits<4> rt2 = 0b1111> |
